>sp|Q9HLX5|SYH_THEAC Histidine--tRNA ligase OS=Thermoplasma acidophilum GN=hisS MYRLQIEKIRGFRDFYPEDMDVEKFIFKTAEEAAEAFGFRRIDFPSLEYLDLYRIKSGEE LLQQTYSFVDKGGREVTLIPEATPSTVRMVTSRKDLQRPLRWYSFPKVWRYEEPQAGRYR EHYQFNADIFGSDSPEADAEVIALASSILDRLGLQDIYEIRINSRKIMEEIIGGMTSSDP FSVFSIIDRYHKISREEFVDQLRSAGIGEDGVSMIADLCSGTRGIDEMARITGKSSEEIA RMAAVEDLLASYGVKNVRYDFSIVRGLSYYTGIVFEAYDRSGQFRAILGGGRYDNLASLM SGESVPAVGFGMGDAVISLLLKRENVQIPREKKSVYICRVGKINSSIMNEYSRKLRERGM NVTVEIMERGLSAQLKYASAIGADFAVIFGERDLERGVVTIRNMYTGSQENVGLDSVVEH LISQAT